#include "rd.h"
#include "read_dir.c"

main ()
{
  char dir[DIRSIZE];
  int sd, len_addr;
  struct sockaddr_in serv_addr, clie_addr;

  signal (SIGCHLD, SIG_IGN);	/* Pentru evitare zombie */

/* Creeaza un socket */
  if ((sd = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
    ERR ("socket", 1);

/* Pregateste adresa server */
  memset ((char *) &serv_addr, 0, sizeof (serv_addr));
  serv_addr.sin_family = AF_INET;
  serv_addr.sin_addr.s_addr = htonl (INADDR_ANY);
  serv_addr.sin_port = htons (PORT_SERVER);

/* bind */
  if (bind (sd, (struct sockaddr *) &serv_addr,
	    sizeof (serv_addr)) < 0)
    ERR ("bind", 2);

/* Bucla principala server */
  for (;;) {
    memset ((char *) &clie_addr, 0, sizeof (clie_addr));/* X */
    len_addr = sizeof (clie_addr);			    /* X */

/* Asteapta o cerere de la un client */
    if (recvfrom (sd, dir, DIRSIZE, 0,
	   (struct sockaddr *) &clie_addr, &len_addr) < 0)
      ERR ("recvfrom", 3);
/* Deserveste clientul intr-un proces separat */
    if (fork () == 0) {
      perror ("unu");
      perror (dir);
      read_dir (dir);
      perror ("doi");
      perror (dir);
  /* Trimite raspunsul la cerere */
      if (sendto (sd, dir, strlen (dir), 0,
	    (struct sockaddr *) &clie_addr, len_addr) < 0)
	ERR ("sendto", 4);

      exit (0);
    }
  }
}
/* Programul 3.10 Sursa server rdsu.c */